US6242102B1 - Single or multilayer foil having a layer containing thermoplastically processable starch - Google Patents
Single or multilayer foil having a layer containing thermoplastically processable starch Download PDFInfo
- Publication number
- US6242102B1 US6242102B1 US08/276,715 US27671594A US6242102B1 US 6242102 B1 US6242102 B1 US 6242102B1 US 27671594 A US27671594 A US 27671594A US 6242102 B1 US6242102 B1 US 6242102B1
- Authority
- US
- United States
- Prior art keywords
- starch
- layer
- multilayer film
- thermoplastically processable
- foil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/3188—Next to cellulosic
- Y10T428/31884—Regenerated or modified cellulose
Abstract
Description
Claims (20)
-
Legends of Figures FIG. 6 x axis: fraction of volume y axis: water activity FIG. 8 y axis: relative elongation at yield point FIG. 9 y axis: modulus of elasticity FIG. 10 y axis: stress-strain (Mna) x axis: relative elongation (%) TABLE 11 Composition permeability O2 gas-permeability water of the foil [cm2/s × cm Hg] [g/day × m2] PVDC PVC PE/starch/PE PE AL/starch/AL (AL = 2 × 400 nm) AL/starch/AL (AL = 2 × 500 nm) SiOx/starch/SiOx (SiOx = 2 × 400 nm) Cellulose hydrate Cellulose acetate 1. A multilayer film of substantially reduced permeability comprising:a first layer including thermoplastically processable starch obtained by mixing native starch or a derivative thereof with at least one plasticizing agent under conditions that result in the formation of a thermoplastic melt having a water concentration of less than about 3.5% by weight while in a melted state, wherein the thermoplastically processable starch has a glass transition temperature less than room temperature; andat least one additional layer attached to the first layer, the at least one additional layer including a hydrophobic polymer which provides reduced gas permeability compared to the first layer by itself. - 2. A multilayer film as defined in claim 1, wherein the at least one additional layer includes a blend of thermoplastically processable starch, a polyolefin, and a phase mediator which increases compatibility between the first layer and the at least one additional layer.
- 3. A multilayer film as defined in claim 2, wherein the thermoplastically processable starch within the blend is processed under conditions that result in the formation of a thermoplastic melt having a water content of less than about 3.5% by weight while in a melted state.
- 4. A multilayer film as defined in claim 3, wherein the thermoplastically processable starch is included in the blend in an amount in a range from about 30% to about 70% by weight of the blend and wherein the phase mediator comprises a block copolymer.
- 5. A multilayer film as defined in claim 2, wherein the polyolefin is selected from the group consisting of polyethylene, polypropylene, and mixtures thereof and wherein the phase mediator comprises a block copolymer.
- 6. A multilayer film as defined in claim 1, further including an intermediate layer comprising a block copolymer as an adherence promoter between the first layer and the at least one additional layer.
- 7. A multilayer film as defined in claim 1, further including a coating selected from the group consisting of aluminum, silicon oxide, and mixtures thereof on at least a portion of the multilayer film.
- 8. A multilayer film as defined in claim 2, further including a siloxane coating on at least one side which is cross-linked at least in part with itself, with the starch which is blended with the polyolefin within the at least one additional layer, or both.
- 9. A multilayer film as defined in claim 1, wherein the plasticizing agent is at least one of glycerol, an amino alcohol, dimethylsulfoxide, N-methylacetamide, or urea.
- 10. A multilayer film as defined in claim 1, wherein at least a portion of the natural moisture of the starch is withdrawn before mixing of the starch or starch derivative with the plasticizing agent.
- 11. A multilayer film as defined in claim 1, wherein at least a portion of the natural moisture of the starch is withdrawn during mixing of the starch or starch derivative with the plasticizing agent.
- 12. A multilayer film as defined in claim 1, wherein the first layer of the multilayer film is formed by at least one of slot extrusion or blowing of the thermoplastic melt that includes thermoplastically processable starch and wherein the multi-layer film is formed by at least one of slot backing or blow coextruding the first layer with the at least one additional layer.
- 13. A multilayer film as defined in claim 8, wherein the siloxane coating is formed by first coating at least one side of the multilayer film with a siloxane monomer and then treating the film with an electron gun, wherein the siloxane is cross-linked with itself and in part with the thermoplastically processable starch.
- 14. A multilayer film as defined in claim 2, wherein the film is subjected to at least one of a UV source or an electronic gun in a manner so that the starch within the blend is at least partially cross-linked with the polyolefin.
- 15. A multilayer film as defined in claim 3, wherein the water content of the thermoplastically processable starch within the blend is reduced to less than about 1% by weight while in a melted state.
- 16. A multilayer film as defined in claim 1, wherein the thermoplastically processable starch has a water content of less than about 1% by weight while in a melted state.
- 17. A multilayer film comprising:a first layer including thermoplastically processable starch obtained by mixing native starch or a derivative thereof with at least one plasticizing agent included in an amount in a range from about 20% to about 40% by weight under conditions that result in the formation of a thermoplastic melt, wherein the thermoplastically processable starch has a glass transition temperature less than room temperature; andat least one additional layer attached to the first layer, the at least one additional layer including a hydrophobic polymer.
- 18. A multilayer film as defined in claim 17, wherein the hydrophobic polymer comprises a polyolefin selected from the group consisting of polyethylene, polypropylene, and mixtures thereof.
- 19. A multilayer film comprising:a first layer including thermoplastically processable starch obtained by mixing native starch or a derivative thereof with at least one plasticizing agent included in an amount in a range from about 20% to about 40% by weight under conditions that result in the formation of a thermoplastic melt having a water content of less than about 3.5% by weight while in a melted state, wherein the thermoplastically processable starch has a glass transition temperature less than room temperature; andat least one additional layer attached to the first layer, the at least one additional layer comprising a blend of thermoplastically processable starch and a substantially hydrophobic polymer.
- 20. A multilayer film as defined in claim 19, wherein the first layer comprises a blend of the thermoplastically starch and at least one polyolefin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/276,715 US6242102B1 (en) | 1991-12-26 | 1994-07-18 | Single or multilayer foil having a layer containing thermoplastically processable starch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77816491A | 1991-12-26 | 1991-12-26 | |
US08/276,715 US6242102B1 (en) | 1991-12-26 | 1994-07-18 | Single or multilayer foil having a layer containing thermoplastically processable starch |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US77816491A Division | 1991-12-26 | 1991-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
US6242102B1 true US6242102B1 (en) | 2001-06-05 |
Family
ID=25112491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/276,715 Expired - Lifetime US6242102B1 (en) | 1991-12-26 | 1994-07-18 | Single or multilayer foil having a layer containing thermoplastically processable starch |
Country Status (1)
Country | Link |
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US (1) | US6242102B1 (en) |
Cited By (57)
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US20030044552A1 (en) * | 2001-06-08 | 2003-03-06 | Minoru Komada | Gas barrier film |
US20030166748A1 (en) * | 2002-03-01 | 2003-09-04 | Kishan Khemani | Biodegradable films and sheets suitable for use as coatings, wraps and packaging materials |
US20030166779A1 (en) * | 2002-03-01 | 2003-09-04 | Kishan Khemani | Biodegradable polymer blends for use in making films, sheets and other articles of manufacture |
US20030203196A1 (en) * | 2000-11-27 | 2003-10-30 | Trokhan Paul Dennis | Flexible structure comprising starch filaments |
US6709526B1 (en) | 1999-03-08 | 2004-03-23 | The Procter & Gamble Company | Melt processable starch compositions |
US6723160B2 (en) | 2002-02-01 | 2004-04-20 | The Procter & Gamble Company | Non-thermoplastic starch fibers and starch composition for making same |
WO2004052646A1 (en) * | 2002-12-09 | 2004-06-24 | Biop Biopolymer Technologies Ag | Biodegradable multi-layer film |
US20040183238A1 (en) * | 2001-09-06 | 2004-09-23 | James Michael David | Process for making non-thermoplastic starch fibers |
US6811740B2 (en) | 2000-11-27 | 2004-11-02 | The Procter & Gamble Company | Process for making non-thermoplastic starch fibers |
US20040248486A1 (en) * | 2003-06-03 | 2004-12-09 | Hodson Simon K. | Fibrous sheets coated or impregnated with biodegradable polymers or polymers blends |
US6955850B1 (en) | 2004-04-29 | 2005-10-18 | The Procter & Gamble Company | Polymeric structures and method for making same |
US20050244635A1 (en) * | 2004-04-29 | 2005-11-03 | The Procter & Gamble Company | Polymeric structures and method for making same |
US7029620B2 (en) | 2000-11-27 | 2006-04-18 | The Procter & Gamble Company | Electro-spinning process for making starch filaments for flexible structure |
WO2006085008A1 (en) * | 2005-02-11 | 2006-08-17 | A.P.C.A. (Assemblee Permanente Des Chambres D'agriculture) | At least partially biodegradable multilayered material and corresponding production method |
US20060194902A1 (en) * | 2005-01-25 | 2006-08-31 | Li Nie | Starch-plastic composite resins and profiles made by extrusion |
US20070021515A1 (en) * | 2005-07-19 | 2007-01-25 | United States (as represented by the Secretary of Agriculture) | Expandable starch-based beads and method of manufacturing molded articles therefrom |
US20070021534A1 (en) * | 2005-07-19 | 2007-01-25 | United States (as represented by the Secretary of Agriculture) | Fiber-reinforced starch-based compositions and methods of manufacture and use |
US20070102129A1 (en) * | 2005-11-04 | 2007-05-10 | Ki-Oh Hwang | Lecithin-starches compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties |
US20070137789A1 (en) * | 2002-12-18 | 2007-06-21 | Potlatch Corporation. | Blister board article, blister pack system, and processes of making |
US20080182113A1 (en) * | 2007-01-26 | 2008-07-31 | E.I. Du Pont De Nemours And Company | Composition Comprising Biopolymer |
WO2009053382A1 (en) * | 2007-10-22 | 2009-04-30 | Biotec Biologische Naturverpackungen Gmbh & Co. Kg | Polymer material and method for the production thereof |
US20090179069A1 (en) * | 2006-04-14 | 2009-07-16 | Harald Schmidt | Multilayer film and method for manufacturing same |
US20100249268A1 (en) * | 2007-10-22 | 2010-09-30 | Harald Schmidt | Polymer material and method for the production thereof |
CN101928403A (en) * | 2010-05-21 | 2010-12-29 | 吉林大学 | Surface cross-linking treatment method for thermoplastic starch products |
WO2011147835A1 (en) * | 2010-05-25 | 2011-12-01 | Huhtamaki Forchheim Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Film arrangement with increased temperature resistance |
US20120009387A1 (en) * | 2009-05-15 | 2012-01-12 | Wang James H | Flexible thermoplastic films and articles |
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WO2012096913A1 (en) | 2011-01-10 | 2012-07-19 | The Procter & Gamble Company | Isosorbide-plasticized starch and uses thereof |
WO2012162136A2 (en) | 2011-05-20 | 2012-11-29 | The Procter & Gamble Company | Films of starch-polymer-wax-oil compositions |
WO2012162092A1 (en) | 2011-05-20 | 2012-11-29 | The Procter & Gamble Company | Molded articles of starch-polymer-wax-oil compositions |
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US20130046262A1 (en) * | 2011-08-17 | 2013-02-21 | James H. Wang | Renewable thermoplastic starch-based multi-layer films and articles |
US8445088B2 (en) | 2010-09-29 | 2013-05-21 | H.J. Heinz Company | Green packaging |
US20140079935A1 (en) * | 2012-09-20 | 2014-03-20 | The Procter & Gamble Company | Flexible Thermoplastic Films And Articles |
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US20140322530A1 (en) * | 2013-04-30 | 2014-10-30 | Mondi Consumer Packaging Technologies Gmbh | Multilayer coextruded film, in particular packaging film |
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US9138968B2 (en) | 2011-03-11 | 2015-09-22 | Colgate-Palmolive Company | Packaging and materials for making same |
US9327438B2 (en) | 2011-12-20 | 2016-05-03 | Kimberly-Clark Worldwide, Inc. | Method for forming a thermoplastic composition that contains a plasticized starch polymer |
US9464188B2 (en) | 2013-08-30 | 2016-10-11 | Kimberly-Clark Worldwide, Inc. | Simultaneous plasticization and compatibilization process and compositions |
US9663881B2 (en) | 2013-05-20 | 2017-05-30 | The Procter & Gamble Company | Nonwoven webs with visually distinct bond sites and method of making |
US9752016B2 (en) | 2014-05-12 | 2017-09-05 | The Procter & Gamble Company | Microtextured films with improved tactile impression and/or reduced noise perception |
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US20090061225A1 (en) * | 1999-03-08 | 2009-03-05 | The Procter & Gamble Company | Starch fiber |
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US7041369B1 (en) | 1999-03-08 | 2006-05-09 | The Procter & Gamble Company | Melt processable starch composition |
US20110177335A1 (en) * | 1999-03-08 | 2011-07-21 | The Procter & Gamble Company | Fiber comprising starch and a surfactant |
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US7029620B2 (en) | 2000-11-27 | 2006-04-18 | The Procter & Gamble Company | Electro-spinning process for making starch filaments for flexible structure |
US20030203196A1 (en) * | 2000-11-27 | 2003-10-30 | Trokhan Paul Dennis | Flexible structure comprising starch filaments |
US6811740B2 (en) | 2000-11-27 | 2004-11-02 | The Procter & Gamble Company | Process for making non-thermoplastic starch fibers |
US6905769B2 (en) * | 2001-06-08 | 2005-06-14 | Dai Nippon Priting Co., Ltd. | Gas barrier film |
US20030044552A1 (en) * | 2001-06-08 | 2003-03-06 | Minoru Komada | Gas barrier film |
US7306852B2 (en) | 2001-06-08 | 2007-12-11 | Dai Nippon Printing Co.,Ltd. | Gas barrier film |
US20060029757A1 (en) * | 2001-06-08 | 2006-02-09 | Minoru Komada | Gas barrier film |
US20040183238A1 (en) * | 2001-09-06 | 2004-09-23 | James Michael David | Process for making non-thermoplastic starch fibers |
US7276201B2 (en) | 2001-09-06 | 2007-10-02 | The Procter & Gamble Company | Process for making non-thermoplastic starch fibers |
US20050076809A1 (en) * | 2002-02-01 | 2005-04-14 | Mackey Larry Neil | Non-thermoplastic starch fibers and starch composition for making same |
US6723160B2 (en) | 2002-02-01 | 2004-04-20 | The Procter & Gamble Company | Non-thermoplastic starch fibers and starch composition for making same |
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